PET Scans

Prepare: Do not eat or drink anything, including water, for at least 6 hours before your scan. You may need to stop taking your medicine. There may be additional instructions you need to follow. Ask your healthcare provider how you need to prepare for your exam.

Arrive: You should arrive 30 minutes before your appointment time.

Expect: Most scans take 1½ to 2 hours. In some cases, it may take longer.

Visit time: You should plan for your visit to be at least 2½ hours. In some cases, it may take longer.

After: Most patients can go back to their normal activities and diet immediately.